Mark Steven Goldsmith, M.D.
Diagnostic Radiology Physician · Walnut Creek, CA
Mark Steven Goldsmith, M.D. is a diagnostic radiology physician with a practice address in Walnut Creek, California, and NPI 1871526723, issued on Jul 7, 2006. Check the license (California G44890, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Steven Goldsmith
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G44890 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2125 Oak Grove RD, Walnut Creek, CA 94598
- Phone
- (925) 296-7150
- Enumerated
- Jul 7, 2006
- Record last updated
- Dec 11, 2023
- Fax
- (925) 296-7171
- Medicare enrollment
- Enrolled (PECOS I20080306000400); accepts Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 1980
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 2125 Oak Grove RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Baxter, M.D.Diagnostic Radiology Physician1356382956
- Robert BinderDiagnostic Radiology Physician1942241559
- Kimberly Blumberg, M.DDiagnostic Radiology Physician1316979925
- James Branscom, M.D.Diagnostic Radiology Physician1558304451
- Less Chafen, M.D.Diagnostic Radiology Physician1336131689
- Joseph Chan, M.D.Diagnostic Radiology Physician1043256720
Verify Mark Steven Goldsmith in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G44890Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Bay Imaging Consultants Medical Group IncCastro Valley, CA
- Magnetic Imaging Affiliates LLCOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Steven Goldsmith among 4,500 diagnostic radiology physician records in California
Mark Steven Goldsmith, M.D. is one of 4,500 diagnostic radiology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1980 · median 2004 among the 3,130 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 diagnostic radiology physician records list a practice address in Walnut Creek
They are 98 of the 6,170 NPPES records with a practice address in Walnut Creek, and 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Walnut Creek → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Eric Bain, MDWalnut Creek, CA 945981922047190
- Richard Baxter, M.D.Walnut Creek, CA 945981356382956
- Robert BinderWalnut Creek, CA 945981942241559
- Less Chafen, M.D.Walnut Creek, CA 945981336131689
- George Chu, MDWalnut Creek, CA 945981952340465
- Sangeeta Gambhir, M.D.Walnut Creek, CA 945981144213299
- Molly Honegger, M.D.Walnut Creek, CA 945981780648766
- Christopher Krol, MDWalnut Creek, CA 945981114905007
Common questions
What is Mark Steven Goldsmith, M.D.'s NPI number?
Mark Steven Goldsmith, M.D.'s National Provider Identifier (NPI) is 1871526723, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Steven Goldsmith, M.D. located?
The NPPES record lists a practice address at 2125 Oak Grove RD, Walnut Creek, CA, 94598. Phone: (925) 296-7150. Providers update this record themselves, so call before visiting.
How can I verify Mark Steven Goldsmith, M.D.'s license?
NPPES lists California license number G44890, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.